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Cathay BiotechSHSE:688065 +8.28%91 PB Ratio is 1.87 as of Jul. 20, 2026, which is 36% below its 10-year median of 2.93. GuruFocus rates SHSE:688065 with a GF Score™ of 91/100 and a GF Value™ of ¥50.12 (Fairly Valued). The stock has 5 warning signs investors should review. Among 1,576 Chemicals companies, Cathay Biotech ranks worse than 56.03% on this metric.
The PB Ratio, or Price-to-Book ratio, or Price/Book, is a financial ratio used to compare a company's market price to its Book Value per Share. As of today (2026-07-20), Cathay Biotech's share price is ¥46.29. Cathay Biotech's Book Value per Share for the quarter that ended in Mar. 2026 was ¥24.78. Hence, Cathay Biotech's PB Ratio of today is 1.87.
Good Sign:
Cathay Biotech Inc stock PB Ratio (=1.73) is close to 10-year low of 1.62.
The historical rank and industry rank for Cathay Biotech's PB Ratio or its related term are showing as below:
SHSE:688065'
s PB Ratio Range Over the Past 10 Years
Min: 1.62 Med: 2.93 Max: 11.93
Current: 1.87
During the past 10 years, Cathay Biotech's highest PB Ratio was 11.93. The lowest was 1.62. And the median was 2.93.
SHSE:688065's PB Ratio is ranked worse than 56.03% of 1576
companies
in the Chemicals industry
Industry Median: 1.65
vs SHSE:688065: 1.87
During the past 12 months, Cathay Biotech's average Book Value Per Share Growth Rate was 1.70% per year.
During the past 3 years, the average Book Value Per Share Growth Rate was 9.30% per year.
During the past 5 years, the average Book Value Per Share Growth Rate was 5.40% per year.
During the past 10 years, the highest 3-Year average Book Value Per Share Growth Rate of Cathay Biotech was 62.00% per year. The lowest was 2.40% per year. And the median was 28.50% per year.
The PB Ratio works the best for the businesses that earn most of their profit from their assets, e.g. banks and insurance companies.
Be Aware
Some businesses have very light assets, such as software companies or insurance agencies. The PB Ratio does not work well for these companies. Some companies even have negative equity, so the PB Ratio cannot be applied to them.
Cathay Biotech PB Ratio Related Terms
Cathay Biotech PB Ratio Historical Data
* Premium members only.
The historical data trend for Cathay Biotech's PB Ratio can be seen below:
* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD. * For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.
For the Chemicals subindustry, Cathay Biotech's PB Ratio, along with its competitors' market caps and PB Ratio data, can be viewed below:
* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.
Cathay Biotech PB Ratio vs Chemicals Industry
For the Chemicals industry and Basic Materials sector, Cathay Biotech's PB Ratio distribution charts can be found below:
* The bar in red indicates where Cathay Biotech's PB Ratio falls into.
The PB Ratio, or Price-to-Book ratio, or Price/Book, is a financial ratio used to compare a company's market price to its Book Value per Share. It is a ratio widely used to value stocks.
Cathay Biotech's PB Ratio for today is calculated as follows:
* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD. * For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.
It can also be calculated from the numbers for the whole company:
A closely related ratio is called Price-to-Tangible-Book. The difference between Price-to-Tangible-Book and PB Ratio is that book value other than intangibles are used in the calculation.
Cathay Biotech (SHSE:688065) has a PB Ratio of 1.87 as of Jul. 20, 2026. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on Cathay Biotech and its competitors. This is 36% below median its historical median of 2.93. Over the past decade, Cathay Biotech's PB Ratio has ranged from 1.62 to 11.93. According to the industry distribution chart, Cathay Biotech ranks #883 out of 1576 companies in the Chemicals industry, placing it in the top 56%.
Is Cathay Biotech's PB Ratio too high?
Cathay Biotech's current PB Ratio of 1.87 is 36% below median its 10-year median of 2.93. Over the past 10 years, this metric has ranged from a low of 1.62 to a high of 11.93. The Chemicals industry median PB Ratio is 1.65. Cathay Biotech's value of 1.87 is 13.3% above this industry median. Based on the distribution chart, Cathay Biotech ranks #883 out of 1576 companies in the Chemicals industry, which is below the industry midpoint. Overall, Cathay Biotech has a GF Score™ of 91/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does Cathay Biotech's PB Ratio compare to DOW?
According to the Chemicals industry distribution chart, Cathay Biotech ranks #883 out of 1576 companies for PB Ratio. This places Cathay Biotech in the lower half of its industry. The industry median PB Ratio is 1.65. Cathay Biotech's value of 1.87 is 13.3% above this benchmark. Historically, Cathay Biotech's own PB Ratio has ranged from 1.62 to 11.93 over the past decade. While the company's 10-year median is 2.93 vs. the industry median of 1.65, Cathay Biotech has consistently been above the industry average. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good PB Ratio for a Chemicals company?
The median PB Ratio among Chemicals companies is 1.65, based on 1,576 companies in the industry. Companies in the top quartile (top 25%) have a PB Ratio significantly above this median, while those in the bottom quartile fall well below. However, PB Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Cathay Biotech's current PB Ratio of 1.87 is 13.3% above the industry median. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high PB Ratio mean?
A high PB Ratio can signal that a stock is expensive relative to its fundamentals. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on Cathay Biotech and its competitors. For the Chemicals industry, the median PB Ratio is 1.65 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Cathay Biotech's current PB Ratio is 1.87, which is 36% below median its own 10-year median of 2.93. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Cathay Biotech stock overvalued right now?
Based on GuruFocus' analysis, Cathay Biotech (SHSE:688065) is currently considered Fairly Valued. The stock's GF Value™ is ¥50.12, compared to a current price of ¥46.29 — trading 7.6% below its estimated fair value. The current PB Ratio is 1.87, which is 36% below median its 10-year median of 2.93 and 13.3% above the Chemicals industry median of 1.65. Cathay Biotech's overall GF Score™ is 91/100 with 5 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is PB Ratio calculated?
PB Ratio is calculated from a company's financial statements. For Cathay Biotech (SHSE:688065), the current PB Ratio is 1.87 as of Jul. 20, 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.
Is Cathay Biotech (SHSE:688065) Overvalued in 2026?
Based on GuruFocus' analysis, Cathay Biotech stock appears to be undervalued.
The current stock price of ¥46.29 is trading 7.6% below its estimated GF Value™ of ¥50.12.
GuruFocus considers Cathay Biotech to be Fairly Valued.
Key valuation signals for SHSE:688065:
PB Ratio: 1.87 (36% below median its 10-year median of 2.93)
GF Value™: ¥50.12 vs. price of ¥46.29 (7.6% below fair value)
Industry Position: 13.3% above the Chemicals median (#883 of 1576)
No single metric tells the full story. See the SHSE:688065 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Cathay Biotech Inc is engaged in research, development, production, and sales of new bio-based materials. The company owns the TERRYL brand, which focuses on bio-based polyamide fibers for textiles, and ECOPENT, which serves the engineering materials market.
91GF Score
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